This is a Marine Aquarium Log Template for recording your aquarium chemistry. Cut & Paste it into MS Excel, notepad or MS Word. For more information on aquarium setup click on Aquarium Tips & Techniques.
| Date | Temp oF | Specific Gravity | Ammonia mg/l | pH | Alkalinity | Calcium mg/l | Nitrite mg/l | Nitrate mg/l | Phos- phate | Comments |
| Target | 75 - 80 | 1.020 - 1.023 | <0.1 | 8.0 - 8.4 | 2.5 - 5.0 meq/L | 410-450 mg/l | Undetect- able | <20 | 1.0 - 5.0 mg/l | |
| 10/17/200X | Purchased from Aquatic Design | |||||||||
Example Marine Aquarium Log
| Date | Temp oF | Specific Gravity | Ammonia mg/l | pH | Alkalinity | Calcium mg/l | Nitrite mg/l | Nitrate mg/l | Phos- phate | Comments |
| Target | 75 - 80 | 1.020 - 1.023 | <0.1 | 8.0 - 8.4 | 2.5 - 5.0 meq/L | 410-450 mg/l | Undetect- able | <20 | 1.0 - 5.0 mg/l | |
| 3/17/2001 | 0.2 | Purchased from Aquatic Design | ||||||||
| Originally Col G was Nitrite which has never been detected. Switched on 11/25/01 | ||||||||||
| Examples | Replenished 5 Gal Seawater | |||||||||
| 12/30/2004 | 1.028 | 0.2 | 8.0 | 3.8 | 10 | fish tank looks great | ||||
| 12/30/2004 | 0.0 | marine aquarium is daunting in a way, a good way | ||||||||
| 12/30/2004 | 78 | 1.026 | 0.0 | Cleaned algae off inside glass - Water clear - brown algae growth slowed - need to lower specific gravity 3 more points | ||||||
| 12/30/2004 | Replaced 5 gallons seawater for fresh water to lower salinity | |||||||||
| 12/30/2004 | 78 | 1.025 | 0.0 | 8.0 | 3.8 | trace | 5 | Brown algae - fish tank water very clear | ||
| 12/30/2004 | 79 | 1.025 | 0.0 | 8.0 | 3.7 | trace | 0 | 0 | Algae Bad - Cut lamps to 7 Hr/day - after water change run carbon in it for 3 weeks | |
| 12/30/2004 | trace | Replenished 5 gal rev osmosis fresh water to reduce salinity - washed algae off stones and plants - Added 2 Tablespoons Buffer to raise pH | ||||||||
| 12/30/2004 | 78 | 1.024 | 0.0 | 8.0 | 3.7 | 0.0 | 0 |